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2 layers118.1 × 83.8 mmLed clock mainboard, the printed circuit board in 3D

const char cstrSSID[] = "MyNetwork"; const char cstrPWD[] = "secret";

Size
118.1 × 83.8 mm
Copper layers
2
Thickness
1.6 mm
Parts
21
Nets
60
Pads
170
Tracks, vias
303, 0
Pours
1
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
15 Sep 2022
Updated
23 Feb 2024

Overview

Led clock mainboard is an open-source printed circuit board by Sternenlabor, from the Sternenlabor/Vintage-LED-Clock repository on GitHub, published under the Unlicense licence. It is a 2-layer board of 118.1 × 83.8 mm with 21 parts on 60 nets, routed with 303 tracks and 0 vias.

It is built around the LM2576T-5.0, CD40109BE and IRF1404PBF, with the ZPD15 among its other parts. Its parts include 6 ICs, 2 capacitors, 2 diodes, 2 connectors and 1 resistor. It belongs with the computers and single-board computers and lEDs and displays boards and the ESP32 boards of this library.

Main components

4

README

README.md

Vintage-LED-Clock

WiFi configuration

SSID and credentials are kept in a separate file which is not included in GIT repository.
Create file credentials.h in src folder and add SSID and WiFi password.
e.g.:

text
#ifndef _CREDENTIALS_H_
#define _CREDENTIALS_H_

const char cstrSSID[] = "MyNetwork";
const char cstrPWD[] = "secret";

#endif /* _CREDENTIALS_H_ */

Parts

21
QtyValueFootprintReferences
5CD40109BECD40109BE:DIP794W45P254L1969H508Q16U1, U2, U3, U5, U6
4MountingHoleMountingHole:MountingHole_3.2mm_M3H1, H2, H3, H4
11000uFCapacitor_THT:CP_Radial_D10.0mm_P5.00mmC2
1100kResistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_HorizontalR1
1100uFCapacitor_THT:CP_Radial_D5.0mm_P2.50mmC1
1100uHInductor_THT:L_Radial_D9.5mm_P5.00mm_Fastron_07HVPL1
11N5822Diode_THT:D_DO-201AD_P15.24mm_HorizontalD1
1Conn_01x22_FemaleConnector_PinSocket_2.54mm:PinSocket_1x22_P2.54mm_VerticalJ2
1ESP32_NODEMCUMODULE_ESP32_NODEMCU:MODULE_ESP32_NODEMCUU4
1IRF1404PBFIRF1404PBF:Infineon_Technologies-PG-TO220-3-02_2008-904-MFGQ1
1LM2576T-5.0LM2576T-5.0:TO170P1067X483X1651-5VR1
1LOGOLOGOG***
1Screw_Terminal_01x02TerminalBlock:TerminalBlock_Altech_AK300-2_P5.00mmJ1
1ZPD15Diode_THT:D_DO-35_SOD27_P10.16mm_HorizontalD2

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Questions

How big is the Led clock mainboard PCB?

It measures 118.1 × 83.8 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Led clock mainboard use?

21 parts, built around the LM2576T-5.0, CD40109BE, IRF1404PBF and ZPD15. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Led clock mainboard KiCad files?

From the Sternenlabor/Vintage-LED-Clock repository on GitHub, at the commit this page was made from: the board is hardware/led-clock-mainboard/led-clock-mainboard.kicad_pcb and its schematic hardware/led-clock-mainboard/led-clock-mainboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Led clock mainboard design in my own project?

Its repository publishes it under the Unlicense licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).